Search a number
-
+
1011025212 = 223233419863
BaseRepresentation
bin111100010000110…
…000010100111100
32121110102101212020
4330100300110330
54032310301322
6244153440140
734024400241
oct7420602474
92543371766
101011025212
1147977422a
12242710050
131315ca592
14983bb5c8
155db5d05c
hex3c43053c

1011025212 has 48 divisors (see below), whose sum is σ = 2377589760. Its totient is φ = 334373248.

The previous prime is 1011025201. The next prime is 1011025229. The reversal of 1011025212 is 2125201101.

It is a junction number, because it is equal to n+sod(n) for n = 1011025191 and 1011025200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1171093 + ... + 1171955.

It is an arithmetic number, because the mean of its divisors is an integer number (49533120).

Almost surely, 21011025212 is an apocalyptic number.

1011025212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011025212 is an abundant number, since it is smaller than the sum of its proper divisors (1366564548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011025212 is a wasteful number, since it uses less digits than its factorization.

1011025212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1011025212 is about 31796.6226508414. The cubic root of 1011025212 is about 1003.6616466458.

Adding to 1011025212 its reverse (2125201101), we get a palindrome (3136226313).

The spelling of 1011025212 in words is "one billion, eleven million, twenty-five thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 233 419 466 699 838 863 932 1257 1398 1676 1726 2514 2589 2796 3452 5028 5178 10356 97627 195254 201079 292881 361597 390508 402158 585762 603237 723194 804316 1084791 1171524 1206474 1446388 2169582 2412948 4339164 84252101 168504202 252756303 337008404 505512606 1011025212